394920805 (number)

394920805 is an odd 9-digits composite number following 394920804 and preceding 394920806. In scientific notation, it is written as 3.94920805 × 10^8. The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors. There are 314556096 positive integers (up to 394920805) that are relatively prime to 394920805.

Interesting facts

Basic properties

Name

Name three hundred ninety-four million nine hundred twenty thousand eight hundred five

Notation

Scientific notation 3.94920805 × 10^8
Engineering notation 3.94920805 × 10^6

Prime Factorization of 394920805

Prime Factorization 5 × 229 × 344909

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 394920805
Product of the distinct prime numbers

The prime factorization of 394920805 is 5 × 229 × 344909. Since it has a total of 3 prime factors.

Most popular turbo-numbers

9, 1, 91, 3, 470, 284, 2928, 457, 25977, 44677, 963449, 416846, 5213341, 33742, 59863518, 80858333, 90084460, 594349114, 1653907141, 4056271441

Basic calculations (n = 394920805)

Multiplication

n×y
n×2 789841610
n×3 1184762415
n×4 1579683220
n×5 1974604025

Division

n÷y
n÷2 197460402.5
n÷3 131640268.33333
n÷3 98730201.25
n÷5 78984161

Exponentiation

ny
n2 155962442221848025
n3 6.1592813232018E+25
n4 2.4324283383803E+34
n5 9.6061655749797E+42

Nth Root

y√n
2√n 19872.614448029
3√n 733.6743532147
4√n 140.97026086387
5√n 52.396466812882

Divisors of 394920805

1, 5, 229, 1145, 344909, 1724545, 78984161, 394920805

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -394920804
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 1
Returns the nth root of the product of n divisors
H Harmonic Mean 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 394920805 can be divided by 8 positive divisors. The sum of these divisors (counting 394920805) is 1, the average is 0.125.

Base conversion 394920805

Base System Value
2 Binary 10111100010100000001101100101
3 Ternary 1000112010001111111
4 Quaternary 113202200031211
5 Quinary 1302044431210
6 Senary 103104305021
8 Octal 2742401545
10 Decimal 394920805
12 Duodecimal b0312171
16 Hexadecimal 178a0365
20 Vigesimal 6385205
36 Base36 6j4iud

Cryptographic Hash Functions

md5 d711fd058f306b0a88bb53d76d078690
sha1 bf583f810da3963358b413d9d07cb6d370d1e169
sha256 238128d078bb13f08f598d3ca5196e9d88f75c69e45d6fe496bcecd98c60e0bb
sha512 554de5c236d32990749f91da8eb7014f1148c6903a2ecd0f11ac77fa301f677b9d858bfbf399f9d3fd0ecfb0cdb6afbb2703df881f89ab5ef434169ace212b38
ripemd-160 1611a443074fab487640cda690e4b3f861e036d8

394920805 as geometric shapes

Circle

Radius = n
Diameter 789841610
Circumference 2481360599.4755
Area 4.8997046272008E+17

Sphere

Radius = n
Volume 2.5799937275152E+26
Surface area 1.9598818508803E+18
Circumference 2481360599.4755

Square

Length = n
Perimeter 1579683220
Area 155962442221848025
Diagonal 558502358.4943

Cube

Length = n
Surface area 935774653331088150
Volume 6.1592813232018E+25
Space diagonal 684022899.226

Equilateral Triangle

Length = n
Perimeter 1184762415
Area 6.7533718500192E+16
Altitude 342011449.613

Triangular Pyramid

Length = n
Surface area 6.7533718500192E+16
Volume 7.2587826514528E+24
Height 186167452.83143